main.css

#skdiv{

    position: fixed;
    z-index: 999999999;
    background: #F5F5F5;
    height: auto;
    width: 20%;
    padding: 10px;
    top: 40px;
    right: 20%;
    border: 1px solid #000;
    border-radius: 5px;
    text-align: center;

}

button{

background: lightblue;
font-weight: bold;

}

#rate_txt{
	
	float:left;
	margin-top:10px;
	width:80%;
	text-align:left;
	
}

#startplay{
	margin-top:10px
	
}

#b1{
	display: block;
	
}

input{ 

    width: 20px;
    height: 20px;

}

#div-setting{
    width: 100%;
    font-size: 14px;
    font-weight: bold;
    background: white;
    width:100%;
    height:auto;
    display:none;
    border:1px solid;
}

div#div-setting * {
    margin: 4px;
}